30420031234423 has 2 divisors, whose sum is σ = 30420031234424. Its totient is φ = 30420031234422.

The previous prime is 30420031234399. The next prime is 30420031234427. The reversal of 30420031234423 is 32443213002403.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30420031234423 - 2²⁵ = 30419997679991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30420031234427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210015617211 + 15210015617212.

It is an arithmetic number, because the mean of its divisors is an integer number (15210015617212).

Almost surely, 2^{30420031234423} is an apocalyptic number.

30420031234423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30420031234423 is an equidigital number, since it uses as much as digits as its factorization.

30420031234423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 30420031234423 its reverse (32443213002403), we get a palindrome (62863244236826).

The spelling of 30420031234423 in words is "thirty trillion, four hundred twenty billion, thirty-one million, two hundred thirty-four thousand, four hundred twenty-three".